2-Chloro-4-methoxypyridine CAS 17228-69-2
| CAS No. | 17228-69-2 |
| Molecular Formula | C6H6ClNO |
| Molecular Weight | 143.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
2-Chloro-4-methoxypyridine (CAS 17228-69-2) is a high-purity analytical reference standard with the molecular formula C6H6ClNO and a molecular weight of 143.57 g/mol.
Structurally, 2-Chloro-4-methoxypyridine (C6H6ClNO) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 143.57 g/mol, it falls into the low-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-Chloro-4-methoxypyridine meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C6H6ClNO |
| Molecular Weight | 143.57 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chloro Standards
- 5-Chloro-6-methylpyridin-2-ol (CAS 103997-23-5)
- N-(3-Chloro-phenyl)hydroxylamine (CAS 10468-17-4)
- (5-Chloro pyrazin-2-yl) Methanamine (CAS 1060814-53-0)
- 4-Chloro-3-methylpyridine 1-Oxide (CAS 1073-34-3)
- 2-Chloro-3-hydrazinylpyridine (CAS 117087-45-3)
- 5-Chloro-2-methylpyridin-4(1H)-one (CAS 1196157-19-3)
- 2-Chloro-1-(1H-pyrrol-3-yl)ethanone (CAS 122450-28-6)
- 3-Chloro-2-methylpyridin-4-ol (CAS 1227499-23-1)
Recommended Standards
- 2-Chloro-1-methylpiperidin-4-one (CAS 17228-68-1)
- 6-Chloro-N-methylpyridazin-4-amine (CAS 17645-08-8)
- 6-Chloro-1-methylpyridin-2(1h)-one (CAS 17228-63-6)
- 1-Allyl-3-chloro-1H-1,2,4-triazole (CAS 1785763-47-4)
- 4-(2-Chloro-5-methylphenyl)-3-methylbenzoic acid (CAS 1365272-40-7)
- 5-Bromo-2-fluoro-N-methylpyridin-3-amine (CAS 1257554-32-7)
- Methyl 4-(2-(3,5-dimethyl-1H-pyrazol-1-yl)acetamido)benzoate (CAS 321166-44-3)
- 1-Cyclobutyl-1H-pyrazole-4-sulfonyl chloride (CAS 1544955-53-4)
- 7-Methoxy-2-azaspiro[4.4]Nonane hydrochloride (CAS 2306264-52-6)
- 4-Imino-1-(3-methoxyphenyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-amine (CAS 1416341-69-9)
- tert-Butyl 7-chloro-5-oxo-2,3,4,5-tetrahydro-1H-benzo[b]azepine-1-carboxylate (CAS 2383664-97-7)
- 2-Methoxy-N-(2-phenoxyethyl)ethanamine hydrochloride (CAS 1638221-26-7)
- 5-Bromo-4-propoxypyridine-3-sulfonamide (CAS 1352486-14-6)
- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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